Alternator has been replaced twice, although it tested fine both times, just changed brands to see if that helped. ~~(/) ~~(/) We've tested for parasitic drain, checked all the grounds (made sure to heavily ground due to fiberglass body and the stories I heard about grounding problems with glass bod...

I use to swear by Optima batteries but I'm beginning to wonder.....I have a 1966 Shelby AC Cobra kit car that I built from the ground up. It has a 1989 Ford 5.0 motor and a one wire alternator. The first battery I put in it was an Optima Red Top which lasted 10+ years which is pretty good in the Flo...